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Don't use gdk_window_set_composited() on toplevel windows

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Or try to paint their contents onto a parent toplevel. From the GDK doc:
"It only makes sense for child windows to be composited".
See #18592
This commit is contained in:
Paul Cornett
2021-12-30 11:49:04 -08:00
parent 654c51f085
commit 21c3f10e28
1 changed files with 3 additions and 2 deletions
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5
src/gtk/window.cpp
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@@ -2353,7 +2353,7 @@ void wxWindowGTK::GTKHandleRealized()
if (IsTransparentBackgroundSupported()) if (IsTransparentBackgroundSupported())
{ {
wxGCC_WARNING_SUPPRESS(deprecated-declarations) wxGCC_WARNING_SUPPRESS(deprecated-declarations)
if (window) if (window && !IsTopLevel())
gdk_window_set_composited(window, true); gdk_window_set_composited(window, true);
wxGCC_WARNING_RESTORE() wxGCC_WARNING_RESTORE()
} }
@@ -5339,7 +5339,8 @@ void wxWindowGTK::GTKSendPaintEvents(const GdkRegion* region)
for ( node = m_children.GetFirst(); node ; node = node->GetNext() ) for ( node = m_children.GetFirst(); node ; node = node->GetNext() )
{ {
wxWindow *compositeChild = node->GetData(); wxWindow *compositeChild = node->GetData();
if (compositeChild->GetBackgroundStyle() == wxBG_STYLE_TRANSPARENT) if (compositeChild->GetBackgroundStyle() == wxBG_STYLE_TRANSPARENT &&
!compositeChild->IsTopLevel())
{ {
#ifndef __WXGTK3__ #ifndef __WXGTK3__
if (cr == NULL) if (cr == NULL)